TM 5-4310-452-14Table 4-1. Organizational Preventive Maintenance Checks and Semites (PMCS) (Con't).Q-QuarterlyM - MonthlyH-HoursINTERVALITEMITEM TO BE INSPECTED.PROCEDURESNO.QSH4COMPRESSORWARNINGThe compressor lubricating/cooling system is un-der pressure, To prevent injury, do not, under anycircumstance, remove drain plug or filler plug fromthe compressor lubricating/cooling system whileunder pressure. Open the manual blowdown valveas a safety precaution first.250a. Inspect all lines, hoses, and fittings for leaks or damagedparts. Drain compressor oil, replace oil filter, and service oil(see paragraph 4-84 and LO 5-4310-452-12).250b. Clean cooling fan (see paragraph 4-92).5FUEL SYSTEM250a. Replace fuel filter (see paragraph 4-26).250b. Clean fuel strainer in metering fuel pump (see paragraph4-22).250c. Replace filter element in fuel/water separator (seeparagraph 4-27).250d. Inspect all fuel lines and hoses for damage or leaks.6VALVECLEARANCE500Adjust valve clearance (see paragraph 4-13).7OIL SEPARATOR500Replace element in oil separator (see paragraph 4-87).8BRAKES4000Adjust brakes (see paragraph 4-65).9WHEELBEARINGS4000Clean and repack wheel bearings (see LO 5-4310-452-12).4-6
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